71768694 has 16 divisors (see below), whose sum is σ = 149778432. Its totient is φ = 22882728.

The previous prime is 71768693. The next prime is 71768699. The reversal of 71768694 is 49686717.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71768693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259894 + ... + 260169.

It is an arithmetic number, because the mean of its divisors is an integer number (9361152).

Almost surely, 2^71768694 is an apocalyptic number.

71768694 is an abundant number, since it is smaller than the sum of its proper divisors (78009738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71768694 is a wasteful number, since it uses less digits than its factorization.

71768694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520091.

The product of its digits is 508032, while the sum is 48.

The square root of 71768694 is about 8471.6405731122. The cubic root of 71768694 is about 415.5707905178.

The spelling of 71768694 in words is "seventy-one million, seven hundred sixty-eight thousand, six hundred ninety-four".